Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812875 | Electrophotographic copying machine having an editorial function | — | 1989-03-14 |
| 4796052 | Electrophotographic copying machine having an editorial function | Taketomo Mizutani, Kenhachi Shiraki, Michihiko Hasegawa, Yujiro Koumoto, Masayuki Tanaka +2 more | 1989-01-03 |